| Document and Entity Information | 12 Months Ended |
| Dec. 31, 2022 shares |
| Entity Addresses [Line Items] | |
| Document Type | 20-F/A |
| Amendment Flag | false |
| Document Registration Statement | false |
| Document Annual Report | true |
| Document Period End Date | Dec. 31, 2022 |
| Current Fiscal Year End Date | --12-31 |
| Document Fiscal Year Focus | 2022 |
| Document Fiscal Period Focus | FY |
| Document Transition Report | false |
| Document Shell Company Report | false |
| Entity File Number | 001-40930 |
| Entity Registrant Name | OCEANPAL INC. |
| Entity Central Index Key | 0001869467 |
| Entity Incorporation, State or Country Code | 1T |
| Entity Address, Address Line One | Pendelis 26 |
| Entity Address, Address Line Two | Palaio Faliro |
| Entity Address, City or Town | Athens |
| Entity Address, Country | GR |
| Entity Address, Postal Zip Code | 175 64 |
| Title of 12(b) Security | Common Stock, $0.01 par value including the Preferred Stock Purchase Rights |
| Trading Symbol | OP |
| Security Exchange Name | NASDAQ |
| Entity Common Stock, Shares Outstanding | 10,183,996 |
| Entity Well-known Seasoned Issuer | No |
| Entity Voluntary Filers | No |
| Entity Current Reporting Status | Yes |
| Entity Interactive Data Current | Yes |
| Entity Filer Category | Non-accelerated Filer |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | true |
| ICFR Auditor Attestation Flag | false |
| Document Financial Statement Error Correction [Flag] | false |
| Document Accounting Standard | U.S. GAAP |
| Entity Shell Company | false |
| Auditor Name | Ernst and Young (Hellas), Certified Auditors Accountants S.A. |
| Auditor Location | Athens, Greece |
| Auditor Firm ID | 1457 |
| Business Contact [Member] | |
| Entity Addresses [Line Items] | |
| Contact Personnel Name | Mrs. Margaret Veniou |
| Entity Address, Address Line One | Pendelis 26 |
| Entity Address, Address Line Two | Palaio Faliro |
| Entity Address, City or Town | Athens |
| Entity Address, Country | GR |
| Entity Address, Postal Zip Code | 175 64 |
| Country Region | 30 |
| City Area Code | 210 |
| Local Phone Number | 9485-360 |
| Contact Personnel Fax Number | 9401-810 |
| Contact Personnel Email Address | mveniou@oceanpal.com |
